The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
GoIP 16 is a sixteen channel VoIP-GSM gateway, designed to provide high quality communication between mobile networks of GSM 900/1800/1900/850 standards and the networks of IP-telephony. By supporting SIP-protocol, GoIP 16 is compatible with most IP PBX and supports SIP protocol from all popular manufacturers. This feature allows you to quickly and cost-effectively set telephone communication system in an office.